Questions tagged [dell-perc]

PERC (PowerEdge RAID Controller) is a Dell-branded RAID controller that is manufactured by LSI.

PERC (PowerEdge RAID Controller) is a Dell-branded RAID controller that is manufactured by LSI.

335 questions
28
votes
7 answers

How to monitor the hard disk status behind Dell PERC H710 Raid Controller with CentOS 6?

I have a Dell server running CentOS 6 using PERC H710 Raid Controller card with Raid 5 setup and I want to monitor the hard disk failure/working status behind the Raid Controller. Then I should be able to use a bash script to monitor the hard disk…
Xianlin
  • 635
  • 4
  • 14
  • 21
13
votes
1 answer

Managing battery relearn cycles on LSI and similar RAID controllers

How do engineers deal with RAID controller battery "relearn" cycles? As noted in: What's a "battery relearn" on a LSI MegaRaid?, relearn cycle discharges the RAID controller battery (BBWC or BBU), thus removing the write cache acceleration. The…
ewwhite
  • 194,921
  • 91
  • 434
  • 799
10
votes
3 answers

Recover from a Punctured RAID array

here is my situation. I have a Dell Server with a Dell Perc 7i controller, (LSI Controller). I had a drive give me an Failure Predicted warning so I called their support and they came out and replaced the drive and the array rebuilt itself, pretty…
user72593
  • 423
  • 2
  • 6
  • 14
8
votes
1 answer

Linux: ZFS analog of pvmove - how to move data off from vdev?

I need to expand disk capacity of the server. The pool was started with 1Tb disk, then it was expanded with 2Tb disk. There is more than 1Tb free space, i.e. all data will easily fit 2Tb part, but it is currently allocated on 1Tb disks. In reality,…
Nikita Kipriyanov
  • 8,033
  • 1
  • 21
  • 39
8
votes
1 answer

How to install ZFS on Dell Poweredge server and Dell disk array without using the RAID controller

How to set up ZFS using a Dell Poweredge and disk arrays (DAS). I am completely new to this and have the following questions: Does the RAID card need to be configured? (e.g. virtual device) Do I need to turn the RAID card off in BIOS? How does the…
8
votes
4 answers

Samsung 840 Pro SSDs in a Dell R720

We have a MySQL database server running on an Dell PowerEdge R720 (PERC H710 Mini RAID controller) ( (Ubuntu 12.04). We're considering upgrading the 2 x 146GB 15k SAS drives to Samsung 840 Pro SSDs. The Dell ones are just far too expensive! (nearly…
BT643
  • 551
  • 3
  • 9
  • 21
8
votes
3 answers

Dell R730xd - Best way to configure storage for simultaneous use with ZFS & Hardware RAID

I recently purchased a Dell R730xd that came with an H730 RAID card. I would like to bring an existing 6 disk ZFS pool to this server as well as create an additional 6 disk hardware RAID. Is it possible to configure an H730 RAID card to operate in…
TJ Zimmerman
  • 241
  • 5
  • 17
7
votes
2 answers

Poor Disk Performance on VMs; Host using PERC H310 RAID 5

I have a Dell R620 running 5 500GB 7.2K RPM SATA 3Gbps 2.5in Hot-plug Hard Drives in a PERC H310 controller (which I am beginning to regret buying). I am getting awful read/write speeds on Linux VMs (Fedora 19, Cent 6 and Ubuntu 12.04) running…
user160910
7
votes
0 answers

PERC MegaRAID S.M.A.R.T. Status is not matching smartctl's - looking for clues what's wrong with the HDD

I'm getting strange SMART error from MegaCli on Dell R720xd and PERC H710P with five 4Tb SATA drives in RAID5 /opt/MegaRAID/MegaCli/MegaCli64 -PDList -aALL gives me some "Failure Seq Event Number" Slot Number: 4 ... Last Predictive Failure Event…
kuz8
  • 423
  • 1
  • 6
  • 9
7
votes
6 answers

Poor read performance on Dell Perc H200 RAID10 with (4) 1TB 7200rpm 64MB drives

I am seeing only 50MB/s reads: ensnare@box:~$ sudo hdparm -tT /dev/sda [sudo] password for ensnare: /dev/sda: Timing cached reads: 4592 MB in 2.00 seconds = 2296.48 MB/sec Timing buffered disk reads: 192 MB in 3.90 seconds = 49.24…
ensnare
  • 2,132
  • 6
  • 23
  • 39
7
votes
2 answers

Dell Perc 6/i and 3TB drives?

Does the dell Perc 6/i controller support 3TB drives?
ensnare
  • 2,132
  • 6
  • 23
  • 39
7
votes
2 answers

How can I manage Dell H700 RAID controllers from the Linux command line?

Previous PERC controllers could all be managed/monitored by the LSI MegaCLI tools. The latest release of those tools does not appear to recognize my H700 card: $ sudo /opt/MegaRAID/MegaCli/MegaCli64 -adpCount Controller Count: 0. Are there any…
Insyte
  • 9,314
  • 2
  • 27
  • 45
7
votes
5 answers

Differences between HW RAID and ZFS

Background I'm installing Proxmox Virtual Environment on a Dell PowerEdge R730 with a Dell PowerEdge RAID Controller (PERC) H730 Mini Hardware RAID controller and eight 3TB 7.2k 3.5" SAS HDDs. I was contemplating using the PERC H730 to configure six…
Matthew Rankin
  • 1,155
  • 5
  • 15
  • 32
7
votes
1 answer

FIO Benchmarking - Inconsistent and Slower than Anticipated: Are my RAIDs Misconfigured?

TL;DR: I'm having some performance issues with my hypervisor storage. here are a bunch of test results from fio. Skip to the Results section to read about them and see my questions. Summary I recently purchased an R730xd so before I migrate over to…
TJ Zimmerman
  • 241
  • 5
  • 17
6
votes
2 answers

Are Dell PERC H200 H700 RAID cards supported by ".deb" based Linux distros?

For a Dell PowerEdge T310 that I haven't yet, I was wondering if its RAID cards are supported by distributions using ".deb" packages like Debian or Ubuntu. On Dell's web site, I could only find drivers for Red Hat (and CentOS, Fedora) or Windows,…
OuzoPower
  • 327
  • 1
  • 4
  • 10
1
2 3
22 23